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Bite the bullet


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. Link.... http://motorbicycling.com/f6/vendor-...uals-3536.html...
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  #11 (permalink)  
Old 10-22-2008, 08:53 AM
fairracing31's Avatar
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Default Re: Bite the bullet

Link....Vendor Installation manuals
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  #12 (permalink)  
Old 10-22-2008, 09:22 PM
Motorized Bicycle Builder
 
Join Date: Oct 2008
Location: Austin, TX
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Default Re: Bite the bullet

Alright a little further on today. I got almost everything lined up, then the chain. A little bit of a preface. I sold my car so this bike is my only method of transportation. That makes it very difficult to go all over the town looking for parts, but the bus helps, and the bike can ride on the front

So the chain, I took one too many links off, darn. So someone mentioned that I needed to get another "master link" or quick connect link, so off to the cycle store. Turns out that the chain that it came with is 415ER and on the way back to the house, after replacing the tube in the front the day before I got a flat about 4 miles away from home. Home again home again, and while the bike was working, the sprocket in the back is wobbling like a drunk at Oktoberfest. Grrrr.

Tomorrow there will be blood. Sprocket and chain or bust. Thanks for all the encouragement and support guys.

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  #13 (permalink)  
Old 10-22-2008, 09:37 PM
Master Motorized Bicycle Builder
 
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Location: memphis tn
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Default Re: Bite the bullet

whatever you do, don't let it get you down. Sometimes these motors can give you a real hard time.
I have replaced the crappy 415 chain that comes with the kit with a 41 chain from Tractor Supply Co. If the chain is a little long use some spacers at the rear motor mount to move the motor forward. If there is an inch of slack in the chain you will only need to use 1/4 to 1/2 inch spacers on the mount. This will allow you to be rid of another piece of frustrating equipment, the chain tensioner. The right amount of tension on the chain negates the use of a tensioner and when the chain stretches you can remove a link if needed or add another spacer on the rear mount.
good luck and happy motoring
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  #14 (permalink)  
Old 10-22-2008, 09:55 PM
Motorized Bicycle Builder
 
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Default Re: Bite the bullet

Haha, they wanted 70 for the 415ER chain at the cycle store and the 41 chain is 18 at Tractor supply. Priceless.
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  #15 (permalink)  
Old 10-22-2008, 10:03 PM
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Default Re: Bite the bullet

Another good item at TSC is the spring loaded chain tensioner..........

Spring Return Chain Tensioner
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  #16 (permalink)  
Old 10-22-2008, 10:23 PM
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Default Re: Bite the bullet

Flat tires are a real hassle. Try using one of those Kevlar belted tires like the Maxxis Overdrive. For the wobbling sprocket, try to tighten the bolts and nuts at the same time, opposite nuts at a time. Takes a lot of patience...
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  #17 (permalink)  
Old 10-23-2008, 03:24 PM
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Master Motorized Bicycle Builder
 
Join Date: Sep 2008
Location: Sunny Arizona
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Default Re: Bite the bullet

Steel Gary Fisher is a good choice for a first build. Everything should fit well with some tinkering. It's also light; probably under 30 lbs.
I used a bicycle chain tool on my mo-bike chain. It was a pain in the butt because it didn't fit that well, but I was able to shorten the chain for a better fit.
There is an an installation manual for Chinese motors posted on this site. Click around until you find it.
The easiest way to build your bike is with a chum that has built one himself. (Beer should attract one). The rest of us have to rely on help from the erudite members of this forum, as I did. Cheers
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  #18 (permalink)  
Old 10-24-2008, 10:29 PM
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Default Re: Bite the bullet

Keep up the good work, it will be worth it.
I'm a retired certified mechanic and it took me 2-1/2 days to put it together.
After I threw away the instructions, it became easier.
Flat Tires Suck!
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  #19 (permalink)  
Old 10-25-2008, 04:50 AM
Motorized Bicycle Builder
 
Join Date: Oct 2008
Location: Austin, TX
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Default Re: Bite the bullet

Yeah, well I still have a flat tire, and I cut the chain too short, so off to tractor supply tomorrow to get the 41 chain, then off to tighten the sprocket, mix the oil and gas and for the first ride. I rode about 10 miles with the engine on but not running, to try to get a master link that ended up not fitting. So tomorrow is the day... hopefully.
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  #20 (permalink)  
Old 10-25-2008, 04:57 AM
Motorized Bicycle Builder
 
Join Date: Oct 2008
Location: Austin, TX
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Default Re: Bite the bullet

Speaking of which, where did y'all get the transmission, or whatever it is that drives the sprocket that attaches to the petals, that then can shift to the back sprocket on the back wheels?
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